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The aim of this study is to present the benefits and risks associated with the consumption of black pepper and cinnamon, which are very popular spices in Poland. The article presents the current state of knowledge about health properties and possible dangers, such as liver damage, associated with their consumption. The experimental part presents the results of the research on the antioxidant properties against the DPPH radical, which was 80.85 ± 3.84-85.42 ± 2.34% for black pepper, and 55.52 ± 7.56-91.87 ± 2.93% for cinnamon. The total content of polyphenols in black pepper was 10.67 ± 1.30-32.13 ± 0.24 mg GAE/g, and in cinnamon 52.34 ± 0.96-94.71 ± 3.34 mg GAE/g. In addition, the content of piperine and pepper oil in black pepper was determined, as well as the content of coumarin in cinnamon. The content of piperine in the black pepper samples was in the range of 3.92 ± 0.35-9.23 ± 0.05%. The tested black pepper samples contained 0.89 ± 0.08-2.19 ± 0.15 mL/100 g d.m. of essential oil. The coumarin content in the cinnamon samples remained in the range of 1027.67 ± 50.36-4012.00 ± 79.57 mg/kg. Taking into account the content of coumarin in the tested cinnamon samples, it should be assumed that the majority of cinnamon available in Polish retail is Cinnamomum cassia (L.) J. Presl.

Health Benefits and Risks of Consuming Spices on the Example of Black Pepper and Cinnamon